Spc. Michael J. Westall uses a motorized boom lift to get into position. U.S. Army Spc. Michael J. Westall uses a motorized boom lift to get into position to weld the reinforcement of the primary steel border fence along the United States-Mexico border on June 7, 2007. Westall is attached to the 188th Engineer Company, North Dakota Army National Guard and assigned to Task Force Diamondback. Task Force Diamondback's mission is to erect and reinforce segments of border fence and the construction of obstacles to help secure the Southwest United States-Mexico border. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 737101-B-NBY47-343.jpg Photo Gallery